cotton boll Learn more about cotton boll
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Why is the cotton rotten? How to prevent cotton boll rot?
Why is the cotton rotten? How to prevent cotton boll rot? Please introduce the rotten bolls of cotton, which occurs to varying degrees almost every year. Therefore, on the basis of understanding the conditions and causes of cotton boll rot, comprehensive measures should be taken to reduce the loss to the minimum. One.
2018-07-18 -
How to prevent cotton bud and boll shedding from growing cotton
(1) the general law of bud and boll shedding ① the ratio of bud and boll shedding in bud and boll shedding, the general trend of the ratio of bud to boll drop is that the boll drop rate is higher than the bud drop rate, and the ratio is about 3:2. At the age of bud and boll shedding in ②, the shedding was the most on the ll~20 day, more than 20 days after budding.
2020-11-08 Plant cotton how to prevent flower bud boll shedding one -
How to control cotton rotten bolls (peaches)?
How to control cotton rotten bolls (peaches)? Cotton boll rot occurs mostly in late August to early September, during which time if rainy and wet, hidden cotton fields, poor ventilation and light transmission, a variety of pathogens will breed rapidly. Common cotton boll rot disease mainly anthracnose, black fruit disease, blight, red rot, pink...
2018-07-18 -
The latest prevention and control of cotton boll rot
The reason for cotton boll rot is basically due to too many Rain Water in summer and poor ventilation, resulting in a variety of bacteria invading cotton and causing cotton boll disease. Cotton boll rot is the most common disease of cotton boll disease, which occurs more or less every year, which will seriously affect cotton.
2020-11-10 The latest how control cotton rotten boll reason -
How to manage the rain during the cotton boll opening period?
How to manage the rain during the cotton boll opening period? Do you have any good suggestions? Also ask experienced netizens to help introduce that the rain during the cotton boll opening period is very unfavorable to the normal boll opening of cotton, so the farming network has sorted out five management methods for the rain during the cotton boll opening period, which are listed in detail below for netizens' reference. ...
2018-07-17 -
Occurrence and Control of Common Boll Diseases in Cotton
Cotton boll disease is a compound disease caused by many diseases, which is often manifested as rotten bolls, which affects not only cotton yield but also cotton quality. The loss caused by rotten bolls amounts to more than 10% of the total output. The common boll diseases in cotton fields in Henan Province are boll blight, anthracnose, red rot, powdery mildew, black fruit and so on. Most of them occur in rainy years in mid-and late-August, especially in days of overcast and rain, when the disease is hot and humid. Symptoms of boll disease boll blight: the disease often occurs in the lower part of the cotton plant and begins to occur at the base, seam or tip of the boll.
2019-01-16 -
How to prevent cotton boll rot with high temperature and humidity?
How to prevent cotton boll rot with high temperature and humidity? Please introduce the methods of cotton boll rot prevention and control with reference to the following methods: 1. Rational fertilization: increase the application of organic fertilizer and phosphorus and potassium fertilizer, and apply appropriate amount of nitrogen fertilizer to prevent cotton plant growth, reduce cotton field closure, and improve ventilation and light transmission. 2. Timely drainage: for low-lying terrain.
2018-07-18 -
Key measures for management of cotton boll opening period
During the boll opening period, high-yield cotton looks precocious and does not senescence prematurely, which requires boll opening in the lower part of the plant, continued flowering in the upper part, and few late buds. The robust growth of cotton, the top fruit branch flat extension, fruit branch length of 20 cm 30 cm, there are 3 buds 4. If the top fruit branch stretches up too long, buds grow, and flowers break too late, it is prosperous and greedy at night.
2018-09-12 -
How to prevent and control cotton boll rot
How to prevent and control cotton boll rot
2018-10-26 -
Strange phenomenon of cotton: young peaches in the middle and upper parts crack ahead of time
Recently, some farmers called to reflect a strange phenomenon in cotton production: the lower big bolls and early cotton bolls grew normally and did not open bolls, while the tender bolls in the middle and upper parts cracked ahead of time, and some of them rotted bolls after cracking. Wuqiao County Agricultural Bureau immediately organized technicians to go deep into the field to find the reason. First, the field showed that the sowing was too early. In the early cotton fields where there were no buds or few buds in the upper 1 and 3 fruit branches due to Rain Water or diseases and insect pests, the number of cracking of cotton peaches in the middle and upper part was relatively large, that is, the outer bolls of 7 fruit branches and 10 fruit branches were counted from below.
2019-01-16 -
What about the rotten cotton bolls?
What about the rotten cotton bolls? Is there any way to prevent and cure cotton in mid-late August, when cotton enters the boll opening period, the phenomenon of rotten bolls and peaches often occurs? in general, the rate of rotten bolls and peaches reaches 10%, 15%, and serious fields reach more than 30%, often resulting in reduced cotton production and quality. To this end, the prevention and control of cotton bolls and peaches have the following five measures:.
2018-09-10 -
How to manage the flowering and boll period of planting cotton
Cotton entered the flowering stage from the first ten days of July to the end of August and the beginning of September. The flowering and boll stage is not only the most exuberant period of cotton growth and development, but also the key period to determine the yield. Due to the high temperature this year, the growth process of cotton is generally faster, which gives
2020-11-08 Cotton planting flowering boll period should how management cotton from July -
Planting and Management Technology of Cotton
Cotton is one of the most important crops in the world, with high yield and low production cost, which makes the price of cotton products relatively low. Cotton fiber can be made into a variety of fabrics, from light and transparent Barry yarn to thick canvas and velveteen, suitable for making all kinds of clothes and homes.
2020-11-09 Cotton flower planting and management technology cotton yes in the world -
Boll protection cotton 410b (cotton)
Variety source: Baoling cotton 410B is another new variety of transgenic insect-resistant cotton bred by Monsanto and Daizi Cotton Company of the United States using modern high-tech biotechnology. Approval: approved by the Ministry of Agriculture for commercial production in 2001, it was approved by Anhui Province in the same year. It is one of the new varieties of transgenic seed-resistant cotton promoted in Anhui Province. Characteristics: boll cotton 410B is a mid-early maturing variety, with a growth period of about 123 days, a plant height of about 105 cm, a fruit branch raised above, a short fruit node, a delicate and compact plant type and a strong boll setting ability.
2019-01-15 -
Analysis of Cotton Bud and Boll drop
A large number of bud and boll shedding often occur in cotton production, which seriously affects the cotton yield and the income of cotton farmers. As there are many reasons for bud and boll shedding, only "symptomatic treatment" can effectively reduce bud shedding and improve yield and benefit. First, the breed factor. Blind Toona sinensis and cotton bollworm like to lay eggs on hairy cotton varieties, and hairy varieties increase the adhesion of eggs, which are not easy to be blown down by the wind and washed away by Rain Water, so they suffer seriously, resulting in a large number of buds and bolls falling off. The varieties with smooth leaves are more hairy than those with more hairs.
2019-01-16 -
How to prevent cotton from rotten bolls (peaches) in rainy season?
How to prevent cotton from rotten bolls (peaches) in rainy season? Please introduce the rainy season can refer to the following methods to prevent cotton boll rot (peach): 1, scientific fertilization: at present, most of the cultivation is insect-resistant cotton, generally requires a large amount of base fertilizer and bud fertilizer, do not apply flower and boll fertilizer, in order to prevent excessive growth, shade aggravation. It is necessary to control nitrogen and increase phosphorus.
2018-07-18 -
Cotton planting technology: how to manage cotton flowering and boll period?
How to manage the cotton flowering and boll period? Please introduce the management methods of cotton flower and boll stage can refer to the following methods: 1. Fertilization: a large number of cotton peaches are formed in the flower and boll stage, which is the period in which cotton needs the most nutrients in its life. Re-application of flower and boll fertilizer is the key measure to protect summer peach, compete for autumn peach and prevent premature senility. The amount of topdressing should generally account for the amount of topdressing.
2018-07-18 -
How to manage the flowering and Boll stage of Cotton
How to manage the flowering and Boll stage of Cotton
2019-11-08 -
Cotton boll red rot of cotton
Symptoms of cotton boll infected with the initial amorphous disease spot, in wet weather or continuous rain, the disease spread rapidly, throughout the whole boll, some spread to the cotton fiber, producing a uniform pink or light red mildew layer, easy to stick together after rain, become a pink lump, resulting in the disease boll can not crack, cotton fiber rot into a rigid petal, seed infection, the germination rate decreased. The pathogen is the same as cotton seedling red rot. The route of transmission and the conditions of the disease are weak parasitic bacteria, which can not directly infect cotton bolls, but mainly cause the disease from the wound.
2019-01-16 -
How to manage the latest cotton flowering and boll period
Cotton has a relatively large planting area in our country. When growing cotton, management is very important. We should properly adjust the management methods according to the growth period of cotton to ensure that cotton can grow normally at each growth stage. And its
2020-11-10 Most new cotton flower boll period how management cotton spend in me